A large truck and a mini bus both moving with a velocity of magnitude V have a head on collision and both of them come to a halt after that. If the collision lasts for 1 second:
Q. A large truck and a mini bus both moving with a velocity of magnitude V have a head on collision and both of them come to a halt after that. If the collision lasts for 1 second:
(a) Which vehicle experiences the greater force of impact?
(b) Which vehicle experiences the greater change in momentum?
(c) Which vehicle experiences the greater acceleration?
Ans. (a) Greater the change in momentum greater will be the force experienced. The large truck has greater mass, thus its momentum change is more than that of the mini bus, thus it will experience a greater force.
(b) As mass of truck is greater than mass of mini bus so truck has greater change in momentum.
(c) Mini bus will experience greater acceleration due to its smaller mass.
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